Home / 808,689.16-1,212,826.14-239,935.71

Finding the Fourth Proportional to 808,689.16, 1,212,826.14 and 239,935.71

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Solution

The fourth proportional to 808,689.16, 1,212,826.14 and 239,935.71 is: 359,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,689.16 : 1,212,826.14 = 239,935.71 : x
  2. Step 2: Convert to fraction form
    808,689.16/1,212,826.14 = 239,935.71/x
  3. Step 3: Cross multiply
    808,689.16x = 1,212,826.14 × 239,935.71
  4. Step 4: Simplify right side
    808,689.16x = 291,000,301,007.46
  5. Step 5: Solve for x
    x = 291,000,301,007.46/808,689.16
  6. Step 6: Final answer
    x = 359,841.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.